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Asbestos on the Job Exposure

Mountain View Generating Plant Is A Dallas Legacy

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Mountain View Generating Plant is a Dallas legacy, though much of its past had undesirable consequences.  

Mountain Creek Lake sounds like such a pleasant place to relax and enjoy the scenery. In actuality, the lake was built, not for relaxation, but as a cooling reservoir for the Mountain View, more generally known as Mountain Creek, power plant. The plant was built starting in 1938, with additional units built in 1945, 1949, 1956, 1958, and 1967. Through the years, it was also called the Dallas Power and Light Mountain Creek Station, Mountain Creek Steam Electric Station, and Mountain Creek S-E Generating Station.

Mountain View Generating Station
Mountain View Generating Plant early photo.

What was the Mountain View Generating Plant? 

Mountain View was a steam generating power plant that ran turbines, which then generated electricity. Steam plant built in this time period commonly had pipes, steam-lines and steam driven equipment which were extremely hot and therefore were built using asbestos-containing insulation. In addition, gaskets and rope packing were made from asbestos and used on steam flanges and steam powered equipment, like pumps, valves, turbines, and boilers. Steel surfaces also had fireproofing made from asbestos. 

Workers at most power plants through the 1980s were likely exposed to asbestos. In fact, if a power plant was built before 1980, it is almost a certainty that asbestos was in the facility or in the products made there. Because asbestos is comprised of microscopic fibers that are easily inhaled, workers in the plant – and sometimes their families – daily inhaled these fibers, creating a health problem for the future. Asbestos diseases are often fatal, especially mesothelioma. Other diseases include lung cancer and asbestosis. After an individual is exposed to asbestos, it can take 20 to 40 years or more for symptoms to develop. There is no safe level of exposure to asbestos.

What has happened to Mountain View?

In 2018, Exelon Generation Co LLC, going through bankruptcy, sold Mountain Creek along with three other power plants to their creditors.  Two of the generators were retired by that time.

Photo Courtesy of Edwin J. Foscue Map Library, Southern Methodist University

Veterans Day is a National Thank You to All Who Served

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While Veterans Day began as “a day to be dedicated to the cause of world peace and to be thereafter celebrated and known as ‘Armistice Day’,” we now set aside November 11th as a time to honor our military men and women as a national thank you to all who served and are serving our country.

The history

1919

Armistice Day was proclaimed by President Woodrow Wilson in a message one year after the end of World War I. In it he stated, “To us in America the reflection of Armistice Day will be filled with solemn pride in the heroism of those who died in the country’s service, and with gratitude for the victory, both because of the thing from which it has freed us and because of the opportunity it has given America to show her sympathy with peace and justice in the councils of nations.”

1924

In June, 1924, Congress requested a resolution from President Calvin Coolidge to deliver an annual proclamation for the observance of November 11th with “appropriate ceremonies.”

1938

Congress approved an Act on May 13, 1938 making each November 11th a legal holiday, “dedicated to the cause of world peace and to be thereafter celebrated and known as ‘Armistice Day’.”

1945

In 1945, Raymond Weeks, a World War II veteran from Birmingham, Alabama, determined all veterans, not just those who served in WWI, should be celebrated. He led a delegation to Gen. Dwight Eisenhower, who also supported the idea of a national Veterans Day. In many ways, Mr. Weeks is the “Father of Veterans Day” as we know it today.

1947

The first national celebration was held in Alabama and led by Mr. Weeks.

1954

On May 26, 1954, President Eisenhower signed a bill establishing Armistice Day as a national holiday. Just a week later, Congress amended the new law by changing the name from Armistice Day to Veterans Day.

1971

In accordance with the Uniform Monday Holiday Act, Veterans Day was moved to the fourth Monday of October. However, seven years later it was returned to November 11th, but celebrated on either Friday or Monday if it occurs on the weekend.

How can we say thank you to all who served?

Many who served, especially those on ships, were exposed to asbestos in addition to the dangers of their service. From WWII through Vietnam, veterans faced this unseen danger. Many ships continued in service long after Vietnam. In fact, of the almost 3,000 Americans diagnosed with malignant mesothelioma annually, a significant percentage of them served in the U.S. Navy.

Though the asbestos fibers were unseen, they were throughout the ships: fireproofing, steam lines, pumps, boilers, condensers, evaporators, distillers, turbines, deck material, and electrical equipment.

Since there can be 50 years between exposure and diagnosis, service men and women still suffer from diseases brought about through exposure on ships. In those same years, those at home were also exposed through building materials or other occupations.

Banning asbestos in the United States is long overdue. Let your voice be heard by contacting the EPA and letting them know you want a ban. There is no safe level of exposure. While we can’t turn back the clock for our military men and women who suffered exposure, we can say “thank you” by working to prevent exposure to their children and grandchildren. Click here to find out how you can be heard.

New Orleans Workers at the W.R. Grace Vermiculite Exfoliation Plant Were Exposed to Asbestos

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New Orleans workers at the W.R. Grace vermiculite exfoliation plant were exposed to asbestos from 1965 to 1989. The facility is located in Jefferson Parish on River Road. During this time, the plant received 148,000 tons of asbestos-contaminated vermiculite from the Libby, Montana mine, also owned by W.R. Grace.

Libby, Montana

The vermiculite mine in Libby operated from the early 1920s until 1990, producing over 70% of vermiculite sold in the U.S. Though vermiculite is a naturally occurring mineral – in appearance, much like mica with multiple shiny layers – it was contaminated with asbestos in the Libby mine. W.R. Grace both mined and processed the ore and then shipped to locations all over the United States, including Louisiana.

The dangers of asbestos contaminated vermiculite

Inhalation is the primary means of exposure to asbestos. As tons of vermiculite were shipped to a location, processed, and shipped out to other locations, the ore released asbestos fibers into the air. These could also be released during the mining, milling, and exfoliation operations. Though workers were the most susceptible to exposure, people in nearby offices and residences could also be exposure, as well as their family members. In the case of W.R. Grace in New Orleans, there is a residential area a few hundred feet northeast of the site.

A report from the U.S. Department of Health and Human Services states, “Some studies suggest that populations who live near asbestos mines and mills have experienced excess asbestos-related diseases, specifically mesothelioma.”

Workers at the W.R. Grace vermiculite exfoliation plant were exposed to asbestos

The W.R. Grace plant was an exfoliation facility. That process required vermiculite to be heated to high temperatures. The water contained in the mineral converted to steam and then separated the mineral into its layers, expanding the vermiculite into small worm-shaped pieces. By doing this, its bulk volume was expanded, or “popped,” and the mineral became a commercially valuable product – primarily for attic insulation, concrete aggregate, masonry insulation, horticultural soil conditioner, and a spray-applied fireproofing. But, in this process, asbestos was released and made available for human exposure.

There was a population of 5,047 within one mile of the facility in 1989, the time production ceased. Jefferson Parish still ranks 19th among all U.S. counties in deaths from mesothelioma.

W.R. Grace reported that at the time operations ceased, a remediation was conducted at the site including vacuum and water rinse of equipment, walls, and floors, and removal of equipment.

What to do if you think you were exposed

Diseases from asbestos exposure, such as mesothelioma, can take up to 50 years before symptoms appear. It has only been 30 years since Libby vermiculite processing ceased. If you think you were exposed, the first precaution would be to stop smoking as that can aggravate any potential lung disease. It would also be prudent to let your doctor know the timeframe and degree of exposure you experienced and have regular checkups.

Exposure from working with a product containing asbestos, such as Libby vermiculite, dramatically increases the risk of disease. The sad truth is that those exposed to vermiculite had no idea they were inhaling fibers that would potentially shorten their lives.

Asbestos Exposure In Your Garden

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It’s that time of year when the desire to put out new plants and see the resulting color and blooms is strong. So it seems strange that there could be asbestos exposure in your garden, but there are asbestos-laden products that can lead to fatal diseases if inhaled.

Vermiculite in potting soil

Because vermiculite absorbs water, thus retaining moisture and also protecting plants from fungus, it has long been a staple ingredient in potting soil. However, prior to 1990, a significant vermiculite mine was operated near Libby, Montana, an area infamous for asbestos contaminated vermiculite.

The Environmental Protection Agency (EPA) tested 38 samples of vermiculite from across the US. Asbestos was found in 17 of the 38 samples. It was also found that the presence – or quantity – of asbestos varies significantly depending on 1) what portion of the bag was tested as the bags were not homogeneous, 2) the processing facility used since there are several dust removal techniques, and 3) the amount of asbestos in the vermiculite as it differs from one mine to another.

While the EPA considers the risks to consumers as minimal, they do acknowledge a concern about occupational exposures. It is known that there is no safe level of exposure to the mineral. Asbestos is still not banned in the United States and therefore, though the percentage of asbestos may be small, it can still kill.

The EPA recommends using other materials, such as peat, sawdust, perlite, or bark. Other recommendations include:

• Use it outdoors or in a well-ventilated area
• Keep the vermiculite damp during use to avoid creating dust
• Do not bring dust into the home on clothing

Be sure to shower thoroughly after use.

A greenhouse examined

Vermiculite, while the most ubiquitous source of gardening exposure to asbestos, is not the only source. Greenhouses can also lead to exposure.

The large Lord & Burnham Greenhouse North on the campus of Fargo’s North Dakota State University (NDSU) was surveyed for asbestos content in 2007. The original greenhouse was constructed in 1950 with additions through the years.

Many materials were found to contain asbestos, including transite panels (workbenches), window glazing, window caulk, transite ceiling panels, floor tiles and mastic, autoclave insulation, hard fittings on millboard, Aircell Pipe and fiberglass insulation, concrete pillar coating, and 11 other asbestos-containing materials (ACM).

This greenhouse is not the only one with asbestos, as most would contain the same materials. Many of the materials listed for the greenhouse can also be found in homes built prior to the early 1980s. Any remodeling can disturb asbestos fibers allowing them to be inhaled. Because asbestos-containing materials such as caulking, putty, and glaze are exposed to the outdoor elements, they do break down and can make them a danger for exposure. Getting a sample tested is the safe precaution.

The consequences of asbestos exposure

Because of the microscopic fibers that can enter lungs through inhalation, they offer the possibility for acquiring an asbestos-related disease such as lung cancer, asbestosis, or the fatal mesothelioma. Always take precautions when exposed to potential asbestos materials. It can take up to 50 years for the disease to appear, creating a shocking surprise to its victim. Be safe and take care; asbestos diseases are preventable with a few cautionary steps.

Busy Courtroom Ceiling Collapsed Closing Court

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At the New Orleans Municipal and Traffic Court, housed in the Orleans Parish Municipal Court building, a busy courtroom ceiling collapsed closing court for several days. While it was only a portion of the ceiling, the room was closed “as an abundance of caution” because of possible asbestos exposure. The building is located on South Broad Street not far from the French Quarter.

Why did it need to close?

Asbestos is a known carcinogen. It was used to some extent throughout the 20th century – especially leading up to the 1950s through 1970s. It has many qualities that made it seem the perfect choice for insulation, heat protection, and for water-proofing.

Because of its versatility, it was used in almost all commercial, government, and residential construction in those years – shingles, insulation, tiles, and mastic. It was also a component of ship-building, including ships of the U.S. Navy.

Many people and companies were aware of scientific evidence that exposure to asbestos fibers could lead to diseases such as lung cancer, asbestosis, and especially to mesothelioma – a deadly cancer. Yet there were few, if any, protections for workers exposed to asbestos, or warnings to others that disturbing installed asbestos released the fibers and made anyone in the area susceptible to these diseases.

The years that asbestos use was at its height, were also the years of a great deal of building in the US following the end of WWII and through the 1970s. Since the Municipal Courthouse was built during these years, it was necessary that protections were put in place to prevent any spread of asbestos through the collapse of the ceiling.

What should be done if asbestos is found?

Anyone considering demolition of older buildings, or noticing damage to areas that could contain asbestos, should have the building inspected, and if necessary removed, by a company certified in asbestos abatement.